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A lightweight LLVM python binding for writing JIT compilers
The old llvmpy binding exposes a lot of LLVM APIs but the mapping
of C++-style memory management to Python is error prone. Numba and
many JIT compilers do not need a full LLVM API. Only the IR builder,
optimizer, and JIT compiler APIs are necessary.
llvmlite is a project originally tailored for Numba's needs, using
the following approach:
- A small C wrapper around the parts of the LLVM C++ API we need
that are not already exposed by the LLVM C API.
- A ctypes Python wrapper around the C API.
- A pure Python implementation of the subset of the LLVM IR builder
that we need for Numba.
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